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Full-Text Articles in Life Sciences

Effect Of Varying Concentrations Of Dietary Crude Protein And Metabolizable Energy On Laying Performance Of Pearl Grey Guinea Fowl Hens, Samuel N. Nahashon, Nathaniel Adefope, Abravi Amenyenu, D. Wright Aug 2007

Effect Of Varying Concentrations Of Dietary Crude Protein And Metabolizable Energy On Laying Performance Of Pearl Grey Guinea Fowl Hens, Samuel N. Nahashon, Nathaniel Adefope, Abravi Amenyenu, D. Wright

Agricultural and Environmental Sciences Faculty Research

This study was conducted to evaluate optimum dietary concentrations of ME and CP for egg production performance of the Pearl Gray guinea fowl laying hens. In a 2 × 3 factorial arrangement, 360 Pearl Gray guinea fowl replacement pullets (22 wk of age) were randomly assigned to experimental diets with 2,800 and 2,900 kcal of ME/kg of diet, each containing 14, 16, and 18% CP, respectively. Each dietary treatment was replicated 4 times, and feed and water were provided ad libitum. Experimental birds were raised in laying cages and received 16 h of light throughout the study period. The birds …


Effect Of Varying Metabolizable Energy And Crude Protein Concentrations In Diets Of Pearl Gray Guinea Fowl Pullets. 2. Egg Production Performance, Samuel N. Nahashon, Nathaniel Adefope, Abravi Amenyenu, D. Wright May 2007

Effect Of Varying Metabolizable Energy And Crude Protein Concentrations In Diets Of Pearl Gray Guinea Fowl Pullets. 2. Egg Production Performance, Samuel N. Nahashon, Nathaniel Adefope, Abravi Amenyenu, D. Wright

Agricultural and Environmental Sciences Faculty Research

The effect of ME and CP concentrations during the growth phase of Pearl Gray guinea fowl pullets on their egg production performance was evaluated. In a 3 × 3 factorial arrangement, five hundred forty 1-d-old Pearl Gray guinea keets were randomly assigned to experimental diets with 2,900, 3,000, and 3,100 kcal of ME/kg of diet; each contained 20, 22, and 24% CP, respectively, from 0 to 8 wk of age (WOA). From 9 to 16 WOA, experimental diets had 3,000, 3,100, and 3,200 kcal of ME/kg of diet, and each contained 17, 19, and 21% CP, respectively. At 17 to …


Analysis Of Powdery Mildew-Resistant Dogwood Accessions Using Aflp, Margaret T. Mmbaga, Roger J. Sauvé Feb 2007

Analysis Of Powdery Mildew-Resistant Dogwood Accessions Using Aflp, Margaret T. Mmbaga, Roger J. Sauvé

Agricultural and Environmental Sciences Faculty Research

Twenty-five dogwood accessions (one Cornus kousa, three C. kousa × C. florida hybrids, and 21 C. florida) were characterized using amplified fragment length polymorphism. Among the C. florida accessions, four were named cultivars and 17 were selections from Tennessee State University's dogwood breeding program. Amplified fragment length polymorphism band profiles obtained from 13 EcoRI/MseI (+3/+3) primer pairs showed the presence of high genetic diversity between species and within the C. florida accessions. Each accession was distinctly different from each other, and the resistant clones clustered into distinct groups.


Structure And Temperature Regulated Expression Of A Cysteine Proteinase Gene In Pachysandra Terminalis Sieb. & Zucc., Suping Zhou, Roger Sauve, Fur-Chi Chen Jan 2007

Structure And Temperature Regulated Expression Of A Cysteine Proteinase Gene In Pachysandra Terminalis Sieb. & Zucc., Suping Zhou, Roger Sauve, Fur-Chi Chen

Agricultural and Environmental Sciences Faculty Research

A cysteine proteinase gene (DQ403257) with an open reading frame of 1125 base pairs was isolated from Pachysdandra terminalis. The primary translated peptide has a predicted length of 374 amino acids, pI (isoelectric point) of 5.70, and molecular mass of 40.9 kDa. The Peptidase_C1 domain is between residue 141 and 367. The proteinase has a conserved motif Gly-Xaa-Thy-Xaa-Phe-Xaa-Asn in the pro region. Sequence comparison shows that the deduced peptide shares 82% identity with the cysteine proteinase RD19a precursor (RD19) (accession P43296) from Arabidopsis thaliana (L.) Heynh. Real-time quantitative reverse-transcriptase–polymerase chain reaction revealed that the gene is induced by treatments of …